Revenues - Geographic Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 27, 2021	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 27, 2021	Mar. 28, 2020	Mar. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 293,537	$ 485,795	$ 347,325	$ 242,573	$ 279,291	$ 374,668	$ 388,912	$ 238,253	$ 1,369,230	$ 1,281,124	$ 1,185,524
China
Disaggregation of Revenue [Line Items]
Net sales									1,024,178	975,090	922,202
United States
Disaggregation of Revenue [Line Items]
Net sales									21,708	17,099	26,182
Rest of World
Disaggregation of Revenue [Line Items]
Net sales									$ 323,344	$ 288,935	$ 237,140